From the HBD Archive
Subject: Re: Aeration with aquarium pump
Date: 1992-06-17 15:30:00 GMT

Martin writes:
>Well I tried using a 1 micron inline filter with an aquarium pump placed
>in my wort and the pump produced so much air that my wort bubbled out
>of the carboy!!! I don't know if the bubbler stone (which produces fine
>bubbles compared to just the end of the 1/8" tubing) doesn't have this
>problem or are they using a 15 gallon fermenter with 5 gallons of
>wort in it...

Alberta mentioned this phenomenon also. The only solution, as I recall,
is (as you said), to have a lot of headspace.

>By the way, how did they sterilize the bubbler?? Put it in bleach?? All
>of those little pores in the stone would be a menace to get clean it
>seems like...

I believe Alberta said to get a non-plastic bubbler, so you can boil it.
If you use PE tubing (generally the "suitable for drinking water" tubing is
PE), you can boil that too. That seems like the easiest method of sanitation
to me.

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